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Diffstat (limited to 'Working_Examples/83/CH3/EX3.1/example_3_1.sce')
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1 files changed, 22 insertions, 0 deletions
diff --git a/Working_Examples/83/CH3/EX3.1/example_3_1.sce b/Working_Examples/83/CH3/EX3.1/example_3_1.sce new file mode 100755 index 0000000..fc0512a --- /dev/null +++ b/Working_Examples/83/CH3/EX3.1/example_3_1.sce @@ -0,0 +1,22 @@ +//Chapter 3 +//Example 3.1 +//page 87 +//To calculate the capacitance to neutral of a single phase line +clear;clc; +r=0.328; //radius of the conductors +D=300; //distance between the conductors +h=750; //height of the conductors + +//calculating capacitance neglecting the presence of ground +//using Eq (3.6) +Cn=(0.0242/(log10(D/r))); +printf("\nCapacitance to neutral /km of the given single phase line neglecting presence of the earth (using Eq 3.6) is = %0.5f uF/km\n\n",Cn); + +//using Eq (3.7) +Cn=(0.0242)/log10((D/(2*r))+((D^2)/(4*r^2)-1)^0.5); +printf("Capacitance to neutral /km of the given single phase line neglecting presence of the earth (using Eq 3.7) is = %0.5f uF/km\n\n",Cn); + +//Consudering the effect of earth and neglecting the non uniformity of the charge +Cn=(0.0242)/log10(D/(r*(1+((D^2)/(4*h^2)))^0.5)); +printf("Capacitance to neutral /km of the given single phase line considering the presence of the earth and neglecting non uniformity of charge distribution (using Eq 3.26b) is = %0.5f uF/km\n\n",Cn); + |